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The average of a list of 17 numbers is 0, and the standard deviation of these numbers is 40. If a new number is added to the list, the average remains the same, then what is the new standard deviation of the list?
Give your answer to the nearest hundredths digit.
Give your answer to the nearest hundredths digit.
38.87 显示答案
以上解析由 考满分老师提供。
